Search a number
-
+
1031310220200 = 2335213532494703
BaseRepresentation
bin11110000000111101110…
…00010001101110101000
310122120222210010102002020
433000132320101232220
5113344110404021300
62105435525104440
7134336554142601
oct17003670215650
93576883112066
101031310220200
11368415807837
12147a5b858120
1376337c36760
1437cb68b2da8
151bc603ed8a0
hexf01ee11ba8

1031310220200 has 192 divisors, whose sum is σ = 3507952976640. Its totient is φ = 249071047680.

The previous prime is 1031310220159. The next prime is 1031310220247. The reversal of 1031310220200 is 20220131301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1031310220200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 833952 + ... + 1660751.

It is an arithmetic number, because the mean of its divisors is an integer number (18270588420).

Almost surely, 21031310220200 is an apocalyptic number.

1031310220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031310220200 is an abundant number, since it is smaller than the sum of its proper divisors (2476642756440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031310220200 is a wasteful number, since it uses less digits than its factorization.

1031310220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494788 (or 2494779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1031310220200 its reverse (20220131301), we get a palindrome (1051530351501).

The spelling of 1031310220200 in words is "one trillion, thirty-one billion, three hundred ten million, two hundred twenty thousand, two hundred".